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2026-05-01 - 17:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri May 01, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31225212766,7sleep00-21swapper/007:06:220
31363212262,7sleep30-21swapper/307:08:113
314752110101,6sleep10-21swapper/107:09:361
31486210999,7sleep20-21swapper/207:09:452
193062660,3sleep338-21rcuc/309:45:203
287262580,0sleep20-21swapper/210:50:192
85452570,1sleep23168299cyclictest07:40:332
52562570,1sleep25261-21kthreadcore12:25:172
280682570,0sleep30-21swapper/308:55:183
201092570,1sleep320117-21kthreadcore12:10:173
64612550,0sleep20-21swapper/207:15:012
311342530,0sleep20-21swapper/208:00:192
193592510,0sleep10-21swapper/110:15:181
3167799330,32cyclictest0-21swapper/107:30:121
3167799310,16cyclictest0-21swapper/112:05:121
3167799280,27cyclictest0-21swapper/110:02:141
3168299270,26cyclictest0-21swapper/209:28:082
3167799270,26cyclictest0-21swapper/111:29:121
3167799270,26cyclictest0-21swapper/111:05:511
3167799270,26cyclictest0-21swapper/108:45:351
3167799270,26cyclictest0-21swapper/108:43:461
3167799270,26cyclictest0-21swapper/108:30:051
3167799270,26cyclictest0-21swapper/108:13:291
3167799270,26cyclictest0-21swapper/107:15:301
3168299260,26cyclictest0-21swapper/207:25:452
3168299260,25cyclictest0-21swapper/211:49:482
31677992622,3cyclictest0-21swapper/110:44:571
3167799260,25cyclictest0-21swapper/112:25:031
3167799260,25cyclictest0-21swapper/111:59:031
3167799260,25cyclictest0-21swapper/110:53:391
3167799260,25cyclictest0-21swapper/110:37:481
3167799260,25cyclictest0-21swapper/109:37:531
3167799260,25cyclictest0-21swapper/107:36:091
3167799260,21cyclictest0-21swapper/111:04:031
3167799260,21cyclictest0-21swapper/107:50:121
3167799250,2cyclictest0-21swapper/111:11:281
3167799250,2cyclictest0-21swapper/109:45:081
3167799250,2cyclictest0-21swapper/109:32:411
3167799250,24cyclictest0-21swapper/110:11:081
3167799250,24cyclictest0-21swapper/108:05:531
3167799250,24cyclictest0-21swapper/107:26:161
3167799250,24cyclictest0-21swapper/107:24:341
3167799250,20cyclictest0-21swapper/110:31:351
3167799250,19cyclictest32227-21munin-run08:04:591
31673992521,3cyclictest0-21swapper/010:33:570
3167799240,23cyclictest0-21swapper/112:14:451
3167799240,23cyclictest0-21swapper/109:55:051
3167799240,23cyclictest0-21swapper/107:10:341
3168299234,14cyclictest280-21systemd-journal12:24:542
31682992321,2cyclictest0-21swapper/211:42:302
3168299231,4cyclictest0-21swapper/211:15:512
3168299231,3cyclictest0-21swapper/209:52:412
3168299231,21cyclictest0-21swapper/209:47:472
31677992318,4cyclictest2240-21sadc09:05:001
31677992318,4cyclictest0-21swapper/109:54:321
31677992314,6cyclictest22236-21awk08:25:001
3167799230,2cyclictest0-21swapper/112:16:521
3167799230,22cyclictest0-21swapper/110:27:231
3167399230,22cyclictest0-21swapper/009:07:170
3167399230,22cyclictest0-21swapper/009:07:160
3168299225,15cyclictest5283-21/usr/sbin/munin10:05:212
3168299224,3cyclictest280-21systemd-journal12:34:562
3168299224,3cyclictest280-21systemd-journal12:34:552
31682992219,2cyclictest749-21snmpd12:13:332
31682992219,2cyclictest749-21snmpd11:08:332
31682992218,3cyclictest0-21swapper/208:57:312
3168299221,3cyclictest0-21swapper/211:29:492
3168299221,3cyclictest0-21swapper/210:43:422
3168299221,3cyclictest0-21swapper/209:24:442
3168299220,21cyclictest0-21swapper/211:59:332
3168299220,21cyclictest0-21swapper/210:11:592
3168299220,21cyclictest0-21swapper/208:05:112
3168299220,21cyclictest0-21swapper/207:50:302
3167799222,2cyclictest0-21swapper/110:21:571
31677992219,2cyclictest0-21swapper/111:16:331
31677992219,2cyclictest0-21swapper/109:44:521
3167799220,4cyclictest0-21swapper/107:48:251
3167799220,3cyclictest0-21swapper/111:35:221
3167799220,3cyclictest0-21swapper/108:15:231
3167799220,3cyclictest0-21swapper/107:41:091
3167799220,22cyclictest0-21swapper/107:56:441
3167799220,21cyclictest0-21swapper/112:39:581
3167799220,21cyclictest0-21swapper/112:22:541
3167799220,21cyclictest0-21swapper/110:55:121
3167799220,21cyclictest0-21swapper/110:45:341
3167799220,21cyclictest0-21swapper/109:19:531
3167799220,21cyclictest0-21swapper/109:05:501
3167799220,21cyclictest0-21swapper/109:05:491
3167399220,21cyclictest0-21swapper/011:05:150
3167399220,21cyclictest0-21swapper/009:55:020
31682992118,2cyclictest749-21snmpd09:36:142
31682992118,2cyclictest749-21snmpd07:34:402
31682992117,3cyclictest0-21swapper/208:10:202
3168299211,19cyclictest0-21swapper/208:27:532
3168299210,20cyclictest0-21swapper/212:15:192
3168299210,20cyclictest0-21swapper/210:34:352
3168299210,20cyclictest0-21swapper/210:17:232
3168299210,15cyclictest0-21swapper/209:57:422
31677992118,2cyclictest0-21swapper/108:36:171
3167799211,2cyclictest0-21swapper/110:07:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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